Resonant frequency changing with diving power (Brice, 1985)
An Innovative Design of Wireless Power Transfer by High Frequency Resonant Coupling
... 2. Resonant Inductive Coupling Resonant inductive coupling or electro-dynamic induction is the near field wireless transmission of electrical energy between two magnetically coupled coils that are part of ...
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Self-Frequency Tracking High-Frequency Class E Resonant Inductive Links For Wireless Power Transfer Application
... a power supply to activate ...wired power bank needs to be plugged in to charge the smartphone’s ...Capacitive Power Transfer (CPT) systems and Acoustic Energy Transfer (AET) systems have their own ...
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Simple Method of Changing the Frequency Range of a Power Amplifier Circuit
... operating frequency range of an existing circuit, logic dictates that significant additional simulation, a new PCB, and additional components all will be ...RF power outputs, frequency range ...
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Repetitive control for high performance resonant pulsed power supply in radio frequency applications
... displacement power factor and high quality currents, the influence on the utility supply can be minimized significantly in comparison of the traditional approaches ...SRPL resonant tank topology has been ...
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A HIGH EFFICIENCY RESONANT CONVERTER FOR WIND POWER GENERATION UNDER RAPIDLY CHANGING ENVIRONMENTAL CONDITIONS
... e Resonant converters are widely used in the application of sustainable power generation ...of resonant converters are their little size and high ...switching frequency is needed to accomplish ...
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A New Method of APWM Resonant Inverter Topology for High Frequency AC Power Distribution Systems
... III .SIMULATION RESULTS The simulation results show that the proposed inverter generates near sinusoidal voltage waveform at the output, which has about 2% and 1.1% THD at rated load when the minimum (80 V) and maximum ...
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Study of the Frequency Characteristic for a Magnetically Coupled Resonant Wireless Power Transmission System with Changes of the Capacitance
... Abstract—The resonant frequency of a magnetically coupled resonant wireless power transmission system is a core parameter that determines the performance of the ...the resonant ...
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High frequency unity power factor resonant converter with adjustable brightness for electronic ballast lamp applications
... high frequency unity power factor correction resonant converter for electronic ballast ...switching frequency of the converter changes the output voltage amplitude of the converter also ...
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Multi-resonant frequency-locked loop for grid synchronization of power converters under distorted grid conditions
... in power electronics and drives and the Dean of the Faculty of Engineering and Science, Aalborg ...in power electronics and ...in Power Electronics (New York: Academic, ...of Power Electronics ...
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ARTIFICIAL NEURAL NETWORK TO PREDICT RESONANT FREQUENCY OF DIPOLE FREQUENCY SELECTIVE SURFACE
... 2. Frequency Selective Surface Typically a frequency selective surface consists of one or more metallic patch supported by one layer or multiple layers of ...by changing the periodicity (in x or y ...
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On the performance and resonant frequency of electromagnetic induction energy harvesters
... In contrast with most prior works, the influence of the circuit inductance is not as- sumed negligible. Instead, we highlight parameter regimes where the inductance can alter resonance and derive an expression for the ...
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- The frequency of a free vibration. a. Resonant frequency b. Natural frequency c. Center frequency d. Normal frequency ans: b - The transmission of
... a. the ratio of the S/N power supplied at the input terminal of a receiver or amplifier to the S/N power supplied to the output or load resistor b. noise factor expressed in decibels c. an unwanted form of ...
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RESONANT POWER MOSFET DRIVERS FOR LED LIGHTING
... As frequency increased the efficiency gradually increased, but at a very low ...output power had a maximum value of 351 W at 20 kHz which went down up to 10 W at 35 ...vs. frequency and Figure 23 ...
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Design, Control, and Implementation of High Frequency LLC Resonant Converter
... switching frequency operation has been introduced with much interest in research and industrial areas to improve the power density of power ...mode power supply which has high efficiency and ...
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Resonant optomechanics with a vibrating carbon nanotube and a radio frequency cavity
... FIG. S5. Power spectral densities calculated from simula- tions as in Fig. S4. (a) Drive signal (b) Cavity output (c) Gated output for three different delays t w . As t w is increased, the slowly-decaying ...
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Resonant scattering of energetic electrons by unusual low-frequency hiss
... At frequencies > 1200 Hz, the wave intensity of the unusual hiss is also stronger than normal hiss. The distribution of wave normal angle as a function of latitude is another critical parameter required for reliable ...
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Mechanism of Two Resonant Modes for Highly Resonant Wireless Power Transfer and Specific Absorption Rate
... the power transfer distance was set at 150 ...the resonant coil and the inner loop changed the input impedance at each ...maximum power transfer efficiency could be achieved by adjusting the size of ...
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Running, hopping and trotting: tuning step frequency to the resonant frequency of the bouncing system favors larger animals
... Resonant frequency and step frequency It has been shown that in human running at speeds lower than ∼ 13 km h −1 efficiency is increased by tuning step frequency f step with the resonant ...
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fshift in resonant frequency
... Fig 2 Linear relationship between frequency shift and strain IV. F INITE ELEMENT A NALYSIS Finite Element Analysis (FEA) reduces costs of experiments by simulating the actual conditions of the antenna under a ...
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DETF resonant frequency and
... NTRODUCTION Resonant principle has been widely used for measuring physical parameters such as mass, acceleration, force, flow or ...a resonant sensor over other sensing principles is its quasi-digital ...
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